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Median raphe cyst of penis - Anogenital in
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Median raphe cyst of penis - Anogenital in

See also in: Overview
Contributors: Lowell A. Goldsmith MD, MPH, Benjamin K. Fisher MD
Other Resources UpToDate PubMed

Synopsis

A median raphe cyst is a dermal cyst resulting from an embryologic irregularity causing a defect in the closure of the median raphe, or an irregular development of ectopic periurethral glands of Littre, or irregular budding and separation of urethral columnar epithelium from the urethra.

A cystic inclusion can occur anywhere along the midline raphe that extends from the urethra to the anus. Usually, the cysts are seen on the ventral aspect of the penis near the glans. The cyst walls usually consist of pseudostratified columnar epithelium but there have been a few reports of ciliated epithelium. The cyst wall is not attached to the overlying epithelium. There has been one case reported where a fluid-filled median raphe cyst developed after vigorous sexual intercourse.

Codes

ICD10CM:
D29.0 – Benign neoplasm of penis

SNOMEDCT:
447415007 – Median raphe cyst of penis

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Last Updated:02/01/2022
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Median raphe cyst of penis - Anogenital in
See also in: Overview
A medical illustration showing key findings of Median raphe cyst of penis : Shaft of penis, Cysts
Clinical image of Median raphe cyst of penis - imageId=2046619. Click to open in gallery.
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